Richard E. Williams
15Patents
7h-index
7Co-inventors
59Inventor score
Filing activity: Jul 26, 1956 → Jun 22, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5801826A | Spectrometric device and method for recognizing atomic and molecular signatures | Physics | 154 | Expired |
| US4578571A | Portable bar code scanning device and method | Physics | 108 | Expired |
| US5030832A | Apparatus for detecting fluorescence of a luminescent material | Physics | 32 | Expired |
| US4363378A | Ladder securing devices and ladder assembly | Fixed Constructions | 22 | Expired |
| US5063297A | Apparatus for detecting fluorescence of a luminescent material | Physics | 21 | Expired |
| US4051721A | Capacitive force-measuring system | Physics | 21 | Expired |
| US4090299A | Orthodontic appliance | Human Necessities | 12 | Expired |
| US5260730A | Optical overhead projector for electronic images | Emerging Cross-Sectional Technologies | 7 | Expired |
| US3984769A | Mixed-base intercept receiver | Physics | 5 | Expired |
| US9610885B2 | Adjustable load restraint system | Emerging Cross-Sectional Technologies | 3 | Active |
| USD278792S | Picture framing cutter | General | 2 | Expired |
| US6817472B1 | Packaging component and containment system particularly useful for packaging radiators | Performing Operations; Transporting | 2 | Expired |
| US10775363B2 | Non-contact soilage detector and flashlight | Emerging Cross-Sectional Technologies | 0 | Active |
| US4912752A | Optical projector for transparencies and opaques | Physics | 0 | Expired |
| US4930886A | Opaque adapter for overhead projector | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.